From a3ca2d7457e2ac27ea61fd237be96c282e8bcd7c Mon Sep 17 00:00:00 2001
From: sebastien <lorber.sebastien@gmail.com>
Date: Fri, 27 Jun 2025 16:33:11 +0200
Subject: [PATCH] refactor

---
 .../docusaurus-plugin-content-docs/src/sidebars/validation.ts   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/docusaurus-plugin-content-docs/src/sidebars/validation.ts b/packages/docusaurus-plugin-content-docs/src/sidebars/validation.ts
index 5660f4c9c1..bc1ca47061 100644
--- a/packages/docusaurus-plugin-content-docs/src/sidebars/validation.ts
+++ b/packages/docusaurus-plugin-content-docs/src/sidebars/validation.ts
@@ -28,7 +28,7 @@ import type {
 // in normalization
 
 const sidebarItemBaseSchema = Joi.object<SidebarItemBase>({
-  key: Joi.string().optional(),
+  key: Joi.string(),
   className: Joi.string(),
   customProps: Joi.object().unknown(),
 });